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Q: Which instrument is used to detect the presence of electric charge on an object?
  • A. Multimeter
  • B. Electroscope
  • C. Amperemeter
  • D. Ohmmeter
Correct Answer: Option B - The electroscope is an early scientific instrument used to detect the presence of electric charge on a body. It detects charge by the movement of a test object due to the Coulomb electrostatic force on it. An electroscope can only give a rough indication of the quantity of charge. An instrument that measures electric charge quantitatively is called an electrometer.
B. The electroscope is an early scientific instrument used to detect the presence of electric charge on a body. It detects charge by the movement of a test object due to the Coulomb electrostatic force on it. An electroscope can only give a rough indication of the quantity of charge. An instrument that measures electric charge quantitatively is called an electrometer.

Explanations:

The electroscope is an early scientific instrument used to detect the presence of electric charge on a body. It detects charge by the movement of a test object due to the Coulomb electrostatic force on it. An electroscope can only give a rough indication of the quantity of charge. An instrument that measures electric charge quantitatively is called an electrometer.